P-nitroacetophenone
[化] 对硝基苯乙酮
🗣️ 情景例句
What a thoughtful boy he is!
他是个多么体贴的男孩啊!
The first step is the only difficulty.
万事起头难。
Frank could hardly conceal his excitement, for he knew that he had made a real discovery.
弗兰克几乎无法掩饰自己兴奋的心情，因为他明白自己发现了一件珍品。